90 University of California Publications in Botany. [ VOL - 3 



the lower very slightly dilated upward, 3 or 4 cm. long, 1 mm. or 

 less wide : involucre 4 or 5 mm. high : rays 30 to 50 or 80, purple 

 violet or white, 5 to 10 mm. long: achenes slightly pubescent or 

 glabrate : pappus simple, the bristles fragile. 



Providence Mts., Mohave Desert, Brandegee; Nevada and 

 eastern Sierra Nevadas to British Columbia. 



5. E. compositus discoideus Gray, Am. Jour. Sci. ser. 2, 

 xxxiii. 237 (1862). 



Stems cespitose from a multicipital caudex: herbage hirsute 

 to glabrate : leaves much crowded on the crowns of the caudex, 

 mostly 1 to 3-ternately parted into linear or short-spatulate 

 lobes : peduncles erect and scape-like, monocephalous, 1 to 10 cm. 

 long, either naked or with a few mostly entire bracts : involucre 

 hemispheric, about 1 cm. broad: rays in this var. none: pappus 

 simple. 



Summit of San Gorgonio Peak (Grayback), 3490 m. alt., Jul. 

 16, 1906, J. and H. W. Grinnell, no. 275 ; Sierra Nevadas to 

 Greenland. Typical E. compositus Pursh, differs from the var. 

 here described only in having 40 to 60 white-purple or violet 

 rays, these mostly 5 to 7 mm. long. It is to be expected with the 

 var. in Southern California. 



6. E. sanctarum Wats., Proc. Am. Acad. xxiv. 83 (1889). 



A few cm. to 2 dm. high: stems one to several, erect or sub- 

 decumbent, from slender perennial rootstocks, leafy below, near- 

 ly naked above, monocephalous: herbage minutely rough-pubes- 

 cent, the involucre densely hispid: leaves entire, 4 cm. or less 

 long, oblanceolate or the small upper ones linear, all acute: in- 

 volucre hemispheric, 7 to 10 mm. high ; its numerous bracts very 

 narrow and acute: rays numerous, narrow, 7 to 10 mm. long, 

 rose-purple : pappus simple, sordid, fragile. 



Santa Inez Mts., Santa Barbara Co., 1888, Santa Rosa Island, 

 Jun., 1888, and .San Simeon, Jun., 1889, all by Brandegee; La 

 Graciosa, near the boundary between Santa Barbara and San 

 Luis Obispo counties, May 11, 1896, Miss Eastwood. 



7. E. Breweri Gray, Proc. Am. Acad. vi. 541 (1865). 

 Mostly 2 to 6 dm. high: stems from slender rootstocks, erect 



or ascending, leafy up to the terminal cyme: herbage scabrous- 



